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Lee, Geunsik
Electronic Structure and Transport in Condensed Materials
Research Interests
  • open quantum system, non-equilibrium electron transport
  • electron correlation, dynamical mean field theory
  • 2D materials, metal complexes

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Thermal transport in graphene and effects of vacancy defects

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Title
Thermal transport in graphene and effects of vacancy defects
Other Titles
Thermal transport in graphene and effects of vacancy defects
Author
Zhang, HengjiLee, GeunsikCho, Kyeongjae
Issue Date
2011-09
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW B, v.84, no.11, pp.115460
Abstract
We have performed molecular dynamics simulations to investigate phonon transport in graphene at 300 K with the Green-Kubo method. We show that the thermal conductivity (TC) of pristine graphene is 2903 +/- 93 W/mK, and the out-of-plane phonon mode contribution is 1202 +/- 32 W/mK. We further investigate thermal transport in graphene with different vacancy defect concentrations, and the TC shows that it is possible to achieve a maximum of a thousandfold reduction with a high defect density.
URI
https://scholarworks.unist.ac.kr/handle/201301/13135
URL
http://journals.aps.org/prb/abstract/10.1103/PhysRevB.84.115460
DOI
10.1103/PhysRevB.84.115460
ISSN
2469-9950
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CHM_Journal Papers
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